Society's tendency to denigrate kids these days is a 'memory tic,' says cognitive scientist

They're leaders in important social, environmental and political movements, finding ways to tackle the most pressing issues of our time, from climate change to gun violence. One even stood up to the Taliban at 15 years old and received the Nobel Peace Prize at 17. | Continue reading


@phys.org | 28 minutes ago

Virgin Galactic unveils commercial space suits

The date for the world's first commercial space flight is not even confirmed yet, but future passengers' Star Trek-like outfits are ready and waiting. | Continue reading


@phys.org | 1 hour ago

Development dilemma as eastern Greenland eyes tourism boost

Kayaking past blue-white icebergs drifting along near a pristine harbour, wandering around colourful houses or trekking in the snow-capped wilderness: July and August are high season for tourists in eastern Greenland. | Continue reading


@phys.org | 1 hour ago

California earthquake alerts to become available statewide

Earthquake early warning alerts will become publicly available throughout California for the first time this week, potentially giving people time to protect themselves from harm, the Governor's Office of Emergency Services said Wednesday. | Continue reading


@phys.org | 1 hour ago

Groups: Saving Mexican gray wolves requires new approach

Dozens of environmental groups and scientists are asking U.S. wildlife managers to rethink how they plan to ensure the survival of Mexican gray wolves in the American Southwest. | Continue reading


@phys.org | 1 hour ago

Old friends and new enemies: How evolutionary history can predict insect invader impacts

About 450 nonnative, plant-eating insect species live in North American forests. Most of these critters are harmless, but a handful wreak havoc on their new environment, attacking trees and each year causing more than $70 billion in damage. | Continue reading


@phys.org | 1 hour ago

Information theory as a forensics tool for investigating climate mysteries

During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. Data in layers of ice of Greenland and Antarctica show that these warming events—called Dansgaard-Oeschger and Antarctic Isotope Maximum events—occurred at least 25 times. … | Continue reading


@phys.org | 1 hour ago

Mathematical modelling vital to tackling disease outbreaks

Predicting and controlling disease outbreaks would be easier and more reliable with the wider application of mathematical modelling, according to a new study. | Continue reading


@phys.org | 1 hour ago

World's fastest ant hits recording breaking speed of 855mm/s

According to Noël Coward, mad dogs and Englishmen are the only creatures that go out in the midday sun, but Harald Wolf from the University of Ulm, Germany, would add another animal: Saharan silver ants (Cataglyphis bombycina). Venturing from their nests to scavenge the corpses o … | Continue reading


@phys.org | 11 hours ago

Hot again: Another month, another global heat record reached

Scientists say the globe sizzled to a record tying hot month in September, driven partly by a sweaty United States. | Continue reading


@phys.org | 12 hours ago

Consumers trust influencers less when there is a variety of choices for a product

Consumers have been relying on opinion leader recommendations to make choices about product quality and purchases for a long time. It is even more prominent now with the prevalence of influencers on social media platforms. The problem is, when there is a wide variety of the same … | Continue reading


@phys.org | 13 hours ago

How partisan hate leads people to believe falsehoods

Researchers now have a better idea of why people who rely on partisan news outlets are more likely to believe falsehoods about political opponents. | Continue reading


@phys.org | 13 hours ago

NASA-NOAA satellite catches last burst before demise of Tropical Depression 17E

NASA-NOAA's Suomi NPP satellite passed over Mexico and found two small areas of very strong thunderstorms near two different coastlines. One area was in Potential Tropical Cyclone 17E in the Eastern Pacific Ocean and the other was for another system developing in the western Gulf … | Continue reading


@phys.org | 13 hours ago

A secret in saliva: Food and germs helped humans evolve into unique member of great apes

Two million years of eating meat and cooked food may have helped humans shift further from other great apes on the evolutionary tree. The evidence is in our saliva, according to new research from the University at Buffalo. | Continue reading


@phys.org | 13 hours ago

Study helps pinpoint what makes species vulnerable to environmental change

The fabled use of canaries in coal mines as an early warning of carbon monoxide stemmed from the birds' extreme sensitivity to toxic conditions compared to humans. | Continue reading


@phys.org | 13 hours ago

Respiratory diseases linked with high blood pressure in lungs

Pulmonary hypertension is a type of high blood pressure that affects the lungs of both animals and people. When tiny vessels in the lungs become narrowed or blocked, it becomes harder for blood to flow through and can cause the heart to weaken or fail. | Continue reading


@phys.org | 14 hours ago

New study shows huge dinosaurs evolved different cooling systems to combat heat stroke

Different dinosaur groups independently evolved gigantic body sizes, but they all faced the same problems of overheating and damaging their brains. Researchers from Ohio University's Heritage College of Osteopathic Medicine show in a new article in the Anatomical Record that diff … | Continue reading


@phys.org | 15 hours ago

First widespread chytrid fungus infections in frogs of Peruvian Amazon rain forests

University of Michigan biologists have documented, for the first time, the widespread presence of the notorious chytrid fungus in 80 species of frogs from lowland rain forest sites in the Peruvian Amazon. | Continue reading


@phys.org | 15 hours ago

Scientists find early humans moved through Mediterranean earlier than believed

An international research team led by scientists from McMaster University has unearthed new evidence in Greece proving that the island of Naxos was inhabited by Neanderthals and earlier humans at least 200,000 years ago, tens of thousands of years earlier than previously believed … | Continue reading


@phys.org | 15 hours ago

Study unveils the intricate way two proteins interact to promote cell movement, metastasis

When cells in our bodies need to move—to attack an infection or heal a wound, for example—cellular proteins send and receive a cascade of signals that directs the cells to the right place at the right time. It's a process cancer cells can hijack to spread to new tissues and organ … | Continue reading


@phys.org | 15 hours ago

Study: Biodiversity improves crop production

Ecologists and biologists compared data of about 1,500 agricultural fields around the world, including corn fields in the American plains, oilseed rape fields in southern Sweden, coffee plantations in India, mango plantations in South Africa and cereal crops in the Alps. They ana … | Continue reading


@phys.org | 15 hours ago

First genome of spotted lanternfly built from a single insect

Agricultural Research Service (ARS) scientists, in cooperation with Pacific Biosciences and Penn State University, have published the first genome of the invasive Spotted Lanternfly (SLF) in the journal Gigascience and they did it from a single caught-in-the-wild specimen. | Continue reading


@phys.org | 15 hours ago

NASA's Terra satellite catches end of Atlantic Tropical Depression 15

Tropical Depression Fifteen or TD15, developed off the west coast of Africa on Oct. 14 by 5 p.m. EDT. The depression never strengthened into a tropical storm before it reached the end of its life. NASA's Terra satellite provided an image of  TD15 after stretched out and ceased be … | Continue reading


@phys.org | 15 hours ago

Could young blood hold secrets to longer, healthier life?

In what sounds like a scene from a science fiction movie, researchers in 2005 stitched together old and young mice so they shared a circulatory system. Youthful blood seemingly rejuvenated many tissues of the elderly rodents, boosting their cognitive and physical performance. Now … | Continue reading


@phys.org | 15 hours ago

Two decades of rain, snowfall from NASA's precipitation missions

NASA's Precipitation Measurement Missions (PMM) have collected rain and snowfall from space for nearly 20 years, and for the first time in 2019, scientists can access PMM's entire record as one data set. | Continue reading


@phys.org | 15 hours ago

Scientists discover skin keeps time independent of the brain

Squids, octopuses, cuttlefish, amphibians, and chameleon lizards are among the animals that can change the color of their skin in a blink of an eye. They have photoreceptors in their skin that operate independently of their brain. The photoreceptors are part of a family of protei … | Continue reading


@phys.org | 15 hours ago

Hubble Telescope zooms in on interstellar visitor

The Hubble Space Telescope has captured the best pictures yet of our newest interstellar visitor. | Continue reading


@phys.org | 15 hours ago

SpaceX seeking many more satellites for space-based internet grid

SpaceX wants spectrum access for nearly four times as many satellites as originally planned for its high-speed internet constellation, the company and a UN agency confirmed Wednesday. | Continue reading


@phys.org | 15 hours ago

Researchers find climate change increases risk of mercury contamination

As global temperatures continue to rise, the thawing of permafrost in Arctic areas is being accelerated and mercury that has been trapped in the frozen ground is now being released in various forms into surrounding waterways, soil and air. According to researchers at the Universi … | Continue reading


@phys.org | 15 hours ago

Study reveals how age affects perception of white LED light

Although LEDs are increasingly used in low-energy lighting and displays, consumers sometimes find their light harsh or unpleasant. Findings from a new study point to the need to take age-related perception differences into account when designing white LED lighting that is more pl … | Continue reading


@phys.org | 15 hours ago

Gas 'waterfalls' reveal infant planets around young star

The birthplaces of planets are disks made out of gas and dust. Astronomers study these so-called protoplanetary disks to understand the processes of planet formation. Beautiful images of disks made with the Atacama Large Millimeter/submillimeter Array (ALMA) how distinct gaps and … | Continue reading


@phys.org | 16 hours ago

Tiny particles lead to brighter clouds in the tropics

When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level clouds, according to a CIRES-led study published today in Nature. Clouds alter Earth's radiative ba … | Continue reading


@phys.org | 16 hours ago

Germany calls crisis meet over Shell North Sea platforms

Germany said Wednesday it had called a special meeting of international partners this week to pressure Royal Dutch Shell to remove old rigs containing crude oil in the North Sea. | Continue reading


@phys.org | 16 hours ago

Urban SUVs driving huge growth in CO2 emissions: IEA

The undying popularity of sport-utility vehicles has made them the second-biggest contributor to the growth of global CO2 emissions in recent years, just behind the power sector, the head of the International Energy Agency said Wednesday. | Continue reading


@phys.org | 16 hours ago

Aҫaí berry extracts fight malaria in mice

Despite humanity's best efforts to eradicate malaria, the disease struck more than 200 million people in 2017, according to the World Health Organization. Worse yet, the parasite that causes malaria is developing resistance to many antimalarial drugs, including the mainstay, chlo … | Continue reading


@phys.org | 16 hours ago

New paper-based technology allows reliable, low-cost sensing of iron levels in fortified foods

Many low-income countries have turned to mass food fortification programs to address nutrient deficiencies in their populations. But many of these programs lack the resources needed to determine if the appropriate amount of nutrients is consistently present in those food products … | Continue reading


@phys.org | 16 hours ago

Galapagos study highlights importance of biodiversity in the face of climate change

As the world's climate continues to change, biologically diverse communities may be most capable of adapting to environmental challenges. | Continue reading


@phys.org | 16 hours ago

X marks the spot: recombination in structurally distinct chromosomes

Two years ago, scientists from the Stowers Institute for Medical Research reported the 3-D structure of the synaptonemal complex in the fruit fly Drosophila melanogaster. This large protein complex is a critical player in the segregation of chromosomes during meiosis, a process o … | Continue reading


@phys.org | 16 hours ago

A rat's brain, on and off methamphetamine

Drug addiction is a vicious cycle of reward and withdrawal. Chronic users often relapse because of the unpleasant physical and psychological symptoms they experience when they stop taking the drug. Now, researchers report in the Journal of Proteome Research metabolic changes in t … | Continue reading


@phys.org | 16 hours ago

Making reservations on the economic hype: Pro sports have little effect on tourism dollars

Government and tourism officials love to tout the economic boon that professional sports bring to their cities. | Continue reading


@phys.org | 16 hours ago

Are we underestimating the benefits of investing in renewable energy?

As policymakers seek to reduce carbon dioxide and other pollutants through increases in renewable energy, improving energy efficiency or electrifying transportation, a key question arises: Which interventions provide the largest benefits to avoid the negative health effects of ai … | Continue reading


@phys.org | 16 hours ago

Family members' emotional attachment limits family firm growth

While non-active family members as major shareholders and non-family members on boards and in top management teams will push for profit and encourage growth through their entrepreneurial drive, there is less risk-taking from active family members. This is especially true when the … | Continue reading


@phys.org | 16 hours ago

Newly identified compounds could help give fire ants their sting

Native to South America, imported fire ants have now spread to parts of North America and elsewhere around the world. These invasive pests have painful stings that, in some cases, can cause serious medical problems, such as hypersensitivity reactions, infections and even kidney f … | Continue reading


@phys.org | 16 hours ago

Bolivian forager-farmers with amazing heart health are split over what makes a good life

A small Bolivian society of indigenous forager-farmers, known for astonishingly healthy cardiovascular systems, is seeing a split in beliefs about what makes a good life. Some are holding more to the traditional—more family ties, hunting and knowledge of forest medicine—but other … | Continue reading


@phys.org | 16 hours ago

Rice blast fungus discovery will drive crop innovation

A secret weapon used by the killer rice blast fungus to infect host plants has been discovered in new research. | Continue reading


@phys.org | 17 hours ago

What gives a three-meter-long Amazonian fish some of the toughest scales on Earth

Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The freshwater giant has evolved armor-like scales that can deform, but do not tear or crack, when a piranha—which has one of the animal kingdom's most powerful bites—attacks … | Continue reading


@phys.org | 18 hours ago

One deer's journey: An epic migration is revealed in new maps

In the spring of 2016, a determined mule deer did something that, as far as anyone knows, no other mule deer had done before: She traveled a whopping 242 miles from southwest Wyoming to eastern Idaho in the greatest migration in recorded mule deer history. | Continue reading


@phys.org | 18 hours ago

Indonesia under 'blanket of smoke' amid wildfires

Indonesia is under a "blanket of smoke" amid wildfires that threaten humans, wildlife and the global climate, researchers say. | Continue reading


@phys.org | 18 hours ago